A100/100
Lewiston Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 19,038 residents · New York
What's In Lewiston's Tap Water?
67
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
LEWISTON VILLAGE
Population Served
2,781
Water Source
Purchased Surface Water
System ID
NY3100558
LEWISTON WATER IMPROVEMENTAREA
Population Served
16,257
Water Source
Purchased Surface Water
System ID
NY3100561
Frequently Asked Questions About Lewiston Water
Is Lewiston tap water safe to drink?
Lewiston, New York tap water receives a grade of A (100/100), which is considered excellent. Out of 67 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Lewiston's water?
Of the 67 contaminants tested in Lewiston's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Lewiston have any water quality violations?
No, Lewiston has zero EPA violations on record. This means the water utility has consistently met all federal drinking water standards during the compliance periods tracked by the EPA.
Do I need a water filter in Lewiston?
Lewiston water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Lewiston's tap water come from?
Lewiston's drinking water is sourced from purchased surface water and supplied by LEWISTON VILLAGE and 1 other water system(s). The system serves approximately 19,038 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Lewiston's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Lewiston's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Lewiston's water compare to other cities in New York?
Lewiston's water quality score of 100/100 earns a grade of A, which is considered excellent. This places Lewiston among the better-performing water systems in New York. Visit our New York state page to see how all cities in the state compare.
What should I do if I'm concerned about Lewiston's water quality?
If you have concerns about Lewiston's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (LEWISTON VILLAGE) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.